if ($attempt_id) {
//print the given attempt, if the user has the appropriate access
printable_copy_helper::print_attempt($attempt_id);
} elseif ($cm_id) {
//create a new printable_copy_helper
$printer = printable_copy_helper::create_from_coursemodule($cm_id);
//retrieve optional arguments for the printer, which are only appropriate for the report view
$batch_mode = optional_param('mode', '', PARAM_ALPHA);
//if a QUBA was specified, print it, and only it (the helper methods check permissions)
if ($quba_id) {
$printer->print_question_usage_by_activity($quba_id, $batch_mode);
} else {
if ($batch_id) {
//disable purification on batch jobs, as it takes up too much RAM
//(the print_batch function will handle purification)
core_pdf_renderer::$do_not_purify = true;
// If "force-rerender" is _not_ set, and a pre-rendered batch exists,
// (e.g. this batch has been rendered before), then print the pre-rendered batch.
//
// TODO: Perhaps don't run this part if we're going to pre-render, but instead print an "already rendered"
// message?
if (!$force_rerender) {
// If a pre-rendered batch exits, print it. Otherwise, this will return false.
$printed = $printer->print_prerendered_batch($batch_id);
// If we printed a batch, then terminate this script's execution.
// If we don't abort here, Moodle will append a blank PDF to the end of our full PDF file.
if ($printed) {
exit;
}
}
// If the pre-render option is set, then begin executing the "interactive pre-renderer", which
protected function print_quba($quba_id, $batch_mode, $include_barcodes = true, $include_intro = true)
{
//get the default question display information
$options = new question_display_options_pdf();
//get a question usage object from the database
$usage = question_engine::load_questions_usage_by_activity($quba_id);
//get an associative array, which indicates the questions which should be rendered
$slots = $usage->get_slots();
//if we're not _only_ outputting a key, output the core of the quesiton
if ($batch_mode !== quiz_papercopy_batch_mode::KEY_ONLY) {
//start a new copy with the given margins
echo html_writer::start_tag('page', array('backtop' => '9mm', 'backbottom' => '0mm', 'backleft' => '0mm', 'backright' => '8mm'));
if ($include_barcodes) {
//echo html_writer::start_tag('page_header');
echo self::render_barcode($quba_id);
//echo html_writer::end_tag('page_header');
} else {
echo html_writer::tag('div', $quba_id, array('class' => 'qubaid'));
}
//bookmark, for easy access from a PDF viewer
echo html_writer::tag('bookmark', '', array('title' => get_string('copynumber', 'quiz_papercopy', $quba_id), 'level' => '0'));
//print the quiz's introduction
if (!empty($this->quiz->intro) && $include_intro) {
$introtext = $this->quiz->intro;
$introtext = file_rewrite_pluginfile_urls($this->quiz->intro, 'pluginfile.php', $this->context->id, 'mod_quiz', 'intro', null);
echo html_writer::tag('div', self::insert_ids($introtext, $quba_id), array('class' => 'introduction'));
}
//output each question
foreach ($slots as $slot => $question) {
$qbuf = $usage->render_question($question, $options, $slot + 1);
//if the core PDF renderer has purification turned off, purify the question locally
if (core_pdf_renderer::$do_not_purify) {
$qbuf = core_pdf_renderer::clean_with_htmlpurify($qbuf);
}
echo $qbuf;
}
echo html_writer::end_tag('page');
}
//if a key has been requested, output it as well
if ($batch_mode == quiz_papercopy_batch_mode::KEY_ONLY || $batch_mode == quiz_papercopy_batch_mode::WITH_KEY) {
//start a new copy with the given margins
echo html_writer::start_tag('page', array('backtop' => '9mm', 'backbottom' => '0mm', 'backleft' => '0mm', 'backright' => '8mm'));
//start of page headers
if ($include_barcodes) {
echo html_writer::start_tag('page_header');
echo html_writer::start_tag('div', array('align' => 'center'));
echo html_writer::tag('barcode', '', array('value' => $id, 'style' => 'width: 40mm; height: 7mm;', 'label' => 'label'));
echo html_writer::end_tag('div');
echo html_writer::end_tag('page_header');
}
//bookmark, for easy access from a PDF viewer
echo html_writer::tag('bookmark', '', array('title' => get_string('answerkeynumber', 'quiz_papercopy', $quba_id), 'level' => $batch_mode !== quiz_papercopy_batch_mode::KEY_ONLY));
//print the quiz's introduction
echo html_writer::tag('p', get_string('answerkeyfortestid', 'quiz_papercopy', $quba_id), array('style' => 'font-weight:bold;'));
echo html_writer::start_tag('table');
//output each question
foreach ($slots as $slot => $question) {
echo html_writer::start_tag('tr');
//echo the answer key contents
echo html_writer::tag('td', $slot + 1 . '. ', array('style' => 'padding-right: 10px;'));
echo html_writer::tag('td', $usage->get_right_answer_summary($question));
echo html_writer::end_tag('tr');
}
echo html_writer::start_tag('table');
echo html_writer::end_tag('page');
}
}
